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15 September, 22:08

If the third term in a geometric sequence is 20, and the fifth term in the sequence is 5, what is the ratio (multiplier) ?

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  1. 15 September, 22:12
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    Term: 3 4 5

    Value 20 ... 5

    20 20r 20r^2

    So 20r^2 = 5

    r^2 = 1/4

    r = 1/2
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